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20 Commits

Author SHA1 Message Date
Anton Korobeynikov
ebf0303810 Properly use const qualifiers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41111 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-15 21:12:30 +00:00
Chris Lattner
42e4bdf257 When clearing a SmallPtrSet, if the set had a huge capacity, but the 
contents of the set were small, deallocate and shrink the set.  This
avoids having us to memset as much data, significantly speeding up
some pathological cases.  For example, this speeds up the verifier
from 0.3899s to 0.0763 (5.1x) on the testcase from PR1432 in a 
release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40837 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 07:32:14 +00:00
Owen Anderson
e992a56ae9 Allow SmallPtrSet to hold pointers to const data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40556 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-27 18:07:02 +00:00
Owen Anderson
bf31b85ea2 Make the copy constructor of SmallPtrSet much faster. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40474 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-24 21:31:23 +00:00
Owen Anderson
71a1e57d18 Remember to free the heap allocated array if we're not going to use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40043 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 06:45:33 +00:00
Owen Anderson
b54b315251 Fix an issue where assignments that caused a SmallPtrSet to become non-small 
would result in calling realloc() on a null pointer.  Instead, if we encounter
this situation, make a normal call to malloc().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40014 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 19:54:15 +00:00
Reid Spencer
845b31de0c Unbreak the build by putting calls to free into the implementation file and 
having that implementation file #include <cstdlib>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39952 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-17 02:16:12 +00:00
Owen Anderson
1629a1fa87 Use realloc() to (potentially) resize the contents of SmallPtrSet in place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39926 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-16 21:27:44 +00:00
Owen Anderson
69b5d12676 Make the assignment operator for SmallPtrSet much faster for normal cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38474 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-09 22:27:20 +00:00
Owen Anderson
4d6f96d699 Make the assignment operator for SmallPtrSet return a reference, and fix a long-standing bug in the copy 
ctor while I'm at it.

Thanks to Chris Lattner for help with this patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38470 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-09 20:59:01 +00:00
Owen Anderson
da8ebc6b43 Fix an error in the assignment operator that was causing an infinite loop in GVNPRE.cpp. 
Patch by Chis Lattner.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38467 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-09 18:51:15 +00:00
Chris Lattner
91f0158d4d implement operator= for smallptrset 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38460 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-09 16:54:03 +00:00
Owen Anderson
6394e5e4fd Fix a bug in SmallPtrSet that was causing GVNPRE to enter an infinite loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37697 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 00:11:18 +00:00
Chris Lattner
61766cae0b Two changes: 
1. Make SmallPtrSet::erase faster in the small case by replacing a memmove
    with a pointer copy.
 2. Fix a bug where the null terminator at the end of the array in the small
    case was not copied


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37696 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 23:23:32 +00:00
Jeff Cohen
ac58a16f85 Fix PR1329. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36016 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-14 21:50:21 +00:00
Chris Lattner
e237cf934f do not let the table fill up with tombstones. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33973 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-07 01:11:25 +00:00
Chris Lattner
7ef856dfad Fix a bug in smallptrset::erase: in the small case, return true if the 
element was in the set.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33931 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-05 23:10:31 +00:00
Chris Lattner
0b930852cf implement SmallPtrSet::erase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33581 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-27 07:59:10 +00:00
Chris Lattner
24757decb8 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33578 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-27 07:18:32 +00:00
Chris Lattner
c95dc987e9 Add a new SmallSet ADT specialized for pointers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33577 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-27 07:10:46 +00:00